205686590

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{5981}}^1$

素因数の和:6188

約数の個数: 32

約数和(自身を含む): 391940640

約数和(自身を除く): 186254050

約数列:

[1, 2, 5, 10, 19, 38, 95, 181, 190, 362, 905, 1810, 3439, 5981, 6878, 11962, 17195, 29905, 34390, 59810, 113639, 227278, 568195, 1082561, 1136390, 2165122, 5412805, 10825610, 20568659, 41137318, 102843295, 205686590]

約数ペア:

[(1, 205686590), (2, 102843295), (5, 41137318), (10, 20568659), (19, 10825610), (38, 5412805), (95, 2165122), (181, 1136390), (190, 1082561), (362, 568195), (905, 227278), (1810, 113639), (3439, 59810), (5981, 34390), (6878, 29905), (11962, 17195)]